Industrial Grade Carbazole Dioxazine has Ph of water extract ranging from 7.0 to 8.0 and bulk density of 45 gm/ 100 cc. The Dioxazine has heat stability ranging from 160 ° C to 280 ° C. The Dioxazine has oil absorption of 0.5 cc/ 1 gm. The Industrial Grade Carbazole Dioxazine has moisture content of less than 1% and water soluble matter of less than 0.5%.